The only reason I got Signal to catch on with friends & family was that it made group chats between Android and iPhone just work for everybody. Although if they had already been using Whatsapp it may have been a harder sell. But Signal was easy to use to figure out.

It’s not about the children.

I was able to get spoken directions working with Organic Maps on GrapheneOS using RHVoice (https://f-droid.org/packages/com.github.olga_yakovleva.rhvoice.android/)